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In some species, the larvae are predatory themselves; the wasp eggs are deposited in clusters of eggs laid by other insects, and these are then consumed by the developing wasp larvae. [10] The largest social wasp is the Asian giant hornet, at up to 5 centimetres (2.0 in) in length. [11]
Palaeovespa florissantia, late Eocene. The Vespidae are a large (nearly 5000 species), diverse, cosmopolitan family of wasps, including nearly all the known eusocial wasps (such as Polistes fuscatus, Vespa orientalis, and Vespula germanica) and many solitary wasps. [1]
The wasps, bees, and ants together make up the suborder (and clade) Apocrita, characterized by a constriction between the first and second abdominal segments called a wasp-waist , also involving the fusion of the first abdominal segment to the thorax. Also, the larvae of all Apocrita lack legs, prolegs, or ocelli.
Vespula vulgaris, known as the common wasp, is a species found in regions that include the United Kingdom, Ireland, Germany, India, China, New Zealand [1] and Australia. It is sometimes known in English as the European wasp, but the same name is used for the species Vespula germanica or German wasp.
A pinned wasp. The dried insect is under attack from pests and this drawer will have to be frozen to contain the problem. Most hard-bodied insect specimens and some other hard-bodied invertebrates such as certain Arachnida, are preserved as pinned specimens.
Of the wasp's 7,400 neurons, 4,600 are located in the brain. A small insect from other families often deals with the issue of having a large brain in relation to its head size by shifting its brain into its thorax and even abdomen. However, wasps cannot, as to keep their heads flexible, the head's connection to the thorax is relatively limited. [2]
Polistes fuscatus, whose common name is the dark or northern paper wasp, is widely found in eastern North America, from southern Canada through the southern United States. [2] It often nests around human development.
In the ichneumon wasp genus Megarhyssa, the females have a slender ovipositor (terebra) several inches long that is used to drill into the wood of tree trunks. [1] These wasps are parasitic in the larval stage on the larvae of horntail wasps, hence the egg must be deposited directly into the host's body as it is feeding.